RB100 was built on the idea that real strength isn’t measured in reps, weights, or finish times it’s found in the moments you refuse to give in. Relentless Bravery is the mindset that drives everything we do: showing up when it’s uncomfortable, pushing through when it burns, and committing fully to the pursuit of better. Whether you’re a complete novice or a seasoned athlete, RB100 is about sustainable, intelligent training that tests your limits and rebuilds your belief in what’s possible. This is performance with purpose training for life, not just for the leaderboard.

Your Challenge-Driven Guide to Smarter, Stronger Fitness

At RB100.Fitness, we believe fitness should be measurable, meaningful, and motivating. That’s why we build everything around one powerful number: 100.

Whether it’s 100 reps, 100 goals, or 100% effort, we challenge you to push your limits in creative, achievable ways and we support you with expert advice, real-world training plans, and smart tech to track your progress.

 

Our Mission

 

To inspire and empower everyday athletes to achieve 100% of their potential—through challenges, education, and innovation in fitness.

We are here for anyone who wants to train with purpose. From gym lovers and weekend warriors to HYROX competitors and performance-driven athletes, RB100.Fitness helps you build a stronger body, sharper mind, and consistent habits one challenge at a time.

 

 

What Makes RB100.Fitness Different?

 

Challenge-Based Training

From 100-rep workouts to 100-minute cardio sessions, we create goal-oriented fitness challenges designed to build consistency, confidence, and progress you can measure.

 

Smart Fitness Tech

We don’t just write about fitness we build the tools that make it better. From automated rep counters to digital training logs, we’re blending fitness with technology to keep you accountable and inspired.

 

Real Athletes. Real Results.

Our content is written and tested by people who live and breathe fitness. We experiment with new training methods, test wearable tech, and share what actually works.

 

Diverse Content Pillars

Explore our five key categories:

 

 

 

Join the RB100 Movement

We’re more than a fitness blog. We’re a growing community of people who train hard, think smart, and track progress not perfection.

Follow us on our journey through:

 

    • The RB100 Blog for weekly challenge ideas, expert tips, and training breakdowns.
    • The RB100 Podcast with Richard B & Chris D diving deep into what it means to train for life.
    • YouTube & Instagram for visual workouts, product reviews, and behind-the-scenes experiments.
    • Exclusive challenges and downloads to keep your fitness fresh, fun, and focused.

 

 

Who’s Behind RB100.Fitness?

RB100.Fitness was created by Richard Branson a lifelong fitness enthusiast, tech innovator, and passionate advocate of the HYROX movement. With a background in experiential tech, sports performance, and media, Richard brings together a team of coaches, creators, and coders to redefine how we train, track, and grow.

RB100 is part of a wider ecosystem of projects designed to make fitness and wellbeing smarter, including:

 

 

Our Experts

Meet the minds behind Relentless Bravery — coaches, athletes, and creators shaping the future of functional fitness.

 

 

Let’s Go 100.

📧 Have a product to test? Want to collaborate?

Get in touch: contact@rb100.fitness

📍 Follow our latest 100-rep challenges, coaching tips, and progress stories on Instagram and YouTube.